| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to carry out beam radiation in a light distribution pattern in immediate response to vehicle's run conditions, in a vehicle headlamp housing a lighting apparatus unit within a lamp body. SOLUTION: The lighting apparatus unit 16 that emits a light beam forward in a low beam light distribution pattern P having a hot-zone HZ is constituted of a lighting apparatus unit body 18 and a pair of second reflectors 20L, 20R provided on both left and right sides thereof. The lighting apparatus unit body 18 is supported by a lamp body and is caused to widely carry out beam radiation in a base light distribution pattern P1. The respective second reflectors 20L, 20R are supported rotationally movably in the directions of both right and left with respect to the lighting apparatus unit body 18 and are caused to carry out beam radiation in light distribution patterns P2, P3 for hot-zone forming. The respective second reflectors 20L, 20R are caused to rotationally move in response to the vehicle's run conditions moving the position of the hot-zone HZ toward the right or left direction, thus enabling, even when running on curved roads, enough radiation to the front road surface in the direction in which a vehicle travels, while the base light distribution pattern P1 is kept in the direction of the vehicle's front. |
